Just a short car ride from the famous crescent shoreline of Half Moon Bay, the California beach town best known for big wave surf contests, a gravel road off Highway 1 leads to a cluster of ramshackle sheds and trailers.
For years, few people knew about the dozens of farmworkers who lived in them, growing fresh gourmet mushrooms to deliver to grocery stores and restaurants across the state.
But the brutal conditions they lived in came into a harsh light in January last year, when a 67-year-old former resident opened fire on the grounds of two mushroom farms where many of the residents worked, and killed seven people.